@article{EJDE_2002__2002__a108, author = {Bennewitz, Christer and Sait\={o}, Yoshimi}, title = {An embedding norm and the {Lindqvist} trigonometric functions}, journal = {Electronic journal of differential equations}, year = {2002}, volume = {2002}, zbl = {1015.46016}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a108/} }